 |
 |
org.springframework.data.mongodb.core.aggregation
Class BucketOperationSupport.OperationOutput
- java.lang.Object
-
- org.springframework.data.mongodb.core.aggregation.BucketOperationSupport.Output
-
- org.springframework.data.mongodb.core.aggregation.BucketOperationSupport.OperationOutput
-
- All Implemented Interfaces:
- AggregationExpression
- Enclosing class:
- BucketOperationSupport<T extends BucketOperationSupport<T,B>,B extends BucketOperationSupport.OutputBuilder<B,T>>
protected static class BucketOperationSupport.OperationOutput extends BucketOperationSupport.Output
Output field that uses a Mongo operation (expression object) to generate an output field value.
BucketOperationSupport.OperationOutputis used either with a regular field name or an operation keyword (e.g. $sum, $count).- Author:
- Mark Paluch
-
-
Constructor Summary
Constructors Constructor and Description OperationOutput(String operation, Collection<? extends Object> values)Creates a newBucketOperationSupport.Outputfor the given field.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description protected FieldgetField()Returns the field that holds theProjectionOperationBuilder.OperationProjection.protected List<Object>getOperationArguments(AggregationOperationContext context)org.bson.DocumenttoDocument(AggregationOperationContext context)BucketOperationSupport.OperationOutputwithAlias(String alias)Creates a new instance of thisBucketOperationSupport.OperationOutputwith the given alias.-
Methods inherited from class org.springframework.data.mongodb.core.aggregation.BucketOperationSupport.Output
getExposedField
-
-
-
-
Constructor Detail
-
OperationOutput
public OperationOutput(String operation, Collection<? extends Object> values)
Creates a newBucketOperationSupport.Outputfor the given field.- Parameters:
operation- the actual operation key, must not be null or empty.values- the values to pass into the operation, must not be null.
-
-
Method Detail
-
toDocument
public org.bson.Document toDocument(AggregationOperationContext context)
Description copied from interface:AggregationExpression- Returns:
-
getOperationArguments
protected List<Object> getOperationArguments(AggregationOperationContext context)
-
getField
protected Field getField()
Returns the field that holds theProjectionOperationBuilder.OperationProjection.- Returns:
-
withAlias
public BucketOperationSupport.OperationOutput withAlias(String alias)
Creates a new instance of thisBucketOperationSupport.OperationOutputwith the given alias.- Parameters:
alias- the alias to set- Returns:
-
-
|